There are similarities among movements of flowing sand, natural explosions on the sun and the changing value of the stock market.
流沙的运动与太阳上的自然爆炸及证券价值起伏不定等现象均存在共性。
Extensive changing value calculation for the typical hydrodynamic coefficients are carried out and the results would provide a basis for further study of submarine manoeuvrability.
本文还对典型的水动力系数进行了大量的变值计算，为进一步进行潜艇操纵性的研究提供了依据。
Extensive changing value calculation for the typical hydrodynamic coefficients are carried out and the results would provide a basis for further study of submarine manoeuvrability.
本文还对典型的水动力系数进行了大量的变值计算，为进一步进行潜艇操纵性的研究提供了依据。
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